src/Pure/Thy/sessions.scala
author wenzelm
Wed Apr 19 20:10:34 2017 +0200 (2017-04-19)
changeset 65517 1544e61e5314
parent 65507 decdb95bd007
child 65519 d244d8f8e13f
permissions -rw-r--r--
more position information;
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/*  Title:      Pure/Thy/sessions.scala
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    Author:     Makarius
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Cumulative session information.
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*/
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package isabelle
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import java.io.{File => JFile}
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import java.nio.ByteBuffer
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import java.nio.channels.FileChannel
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import java.nio.file.StandardOpenOption
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import java.sql.PreparedStatement
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import scala.collection.SortedSet
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import scala.collection.mutable
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object Sessions
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{
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  /* base info and source dependencies */
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  val DRAFT = "Draft"
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  def is_pure(name: String): Boolean = name == Thy_Header.PURE
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  object Known
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  {
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    val empty: Known = Known()
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    def make(local_dir: Path, bases: List[Base], theories: List[Document.Node.Name]): Known =
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    {
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      def bases_iterator(local: Boolean) =
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        for {
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          base <- bases.iterator
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          (_, name) <- (if (local) base.known.theories_local else base.known.theories).iterator
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        } yield name
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      def local_theories_iterator =
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      {
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        val local_path = local_dir.file.getCanonicalFile.toPath
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        theories.iterator.filter(name =>
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          Path.explode(name.node).file.getCanonicalFile.toPath.startsWith(local_path))
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      }
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      val known_theories =
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        (Map.empty[String, Document.Node.Name] /: (bases_iterator(false) ++ theories.iterator))({
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          case (known, name) =>
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            known.get(name.theory) match {
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              case Some(name1) if name != name1 =>
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                error("Duplicate theory " + quote(name.node) + " vs. " + quote(name1.node))
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              case _ => known + (name.theory -> name)
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            }
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          })
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      val known_theories_local =
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        (Map.empty[String, Document.Node.Name] /:
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            (bases_iterator(true) ++ local_theories_iterator))({
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          case (known, name) => known + (name.theory -> name)
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        })
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      val known_files =
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        (Map.empty[JFile, List[Document.Node.Name]] /:
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            (bases_iterator(true) ++ bases_iterator(false) ++ theories.iterator))({
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          case (known, name) =>
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            val file = Path.explode(name.node).file.getCanonicalFile
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            val theories1 = known.getOrElse(file, Nil)
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            if (theories1.exists(name1 => name.node == name1.node && name.theory == name1.theory))
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              known
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            else known + (file -> (name :: theories1))
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        })
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      Known(known_theories, known_theories_local,
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        known_files.iterator.map(p => (p._1, p._2.reverse)).toMap)
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    }
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  }
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  sealed case class Known(
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    theories: Map[String, Document.Node.Name] = Map.empty,
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    theories_local: Map[String, Document.Node.Name] = Map.empty,
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    files: Map[JFile, List[Document.Node.Name]] = Map.empty)
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  {
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    def platform_path: Known =
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      copy(theories = for ((a, b) <- theories) yield (a, b.map(File.platform_path(_))),
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        theories_local = for ((a, b) <- theories_local) yield (a, b.map(File.platform_path(_))),
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        files = for ((a, b) <- files) yield (a, b.map(c => c.map(File.platform_path(_)))))
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  }
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  object Base
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  {
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    def pure(options: Options): Base = session_base(options, Thy_Header.PURE)
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    def bootstrap(global_theories: Map[String, String]): Base =
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      Base(
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        global_theories = global_theories,
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        keywords = Thy_Header.bootstrap_header,
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        syntax = Thy_Header.bootstrap_syntax)
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  }
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  sealed case class Base(
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    global_theories: Map[String, String] = Map.empty,
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    loaded_theories: Map[String, String] = Map.empty,
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    known: Known = Known.empty,
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    keywords: Thy_Header.Keywords = Nil,
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    syntax: Outer_Syntax = Outer_Syntax.empty,
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    sources: List[(Path, SHA1.Digest)] = Nil,
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    session_graph: Graph_Display.Graph = Graph_Display.empty_graph)
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  {
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    def platform_path: Base = copy(known = known.platform_path)
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    def loaded_theory(name: Document.Node.Name): Boolean =
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      loaded_theories.isDefinedAt(name.theory)
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    def known_theory(name: String): Option[Document.Node.Name] =
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      known.theories.get(name)
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    def known_file(file: JFile): Option[Document.Node.Name] =
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      known.files.getOrElse(file.getCanonicalFile, Nil).headOption
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    def dest_known_theories: List[(String, String)] =
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      for ((theory, node_name) <- known.theories.toList)
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        yield (theory, node_name.node)
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  }
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  sealed case class Deps(session_bases: Map[String, Base], all_known: Known)
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  {
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    def is_empty: Boolean = session_bases.isEmpty
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    def apply(name: String): Base = session_bases(name)
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    def sources(name: String): List[SHA1.Digest] = session_bases(name).sources.map(_._2)
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  }
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  def deps(sessions: T,
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      progress: Progress = No_Progress,
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      inlined_files: Boolean = false,
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      verbose: Boolean = false,
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      list_files: Boolean = false,
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      check_keywords: Set[String] = Set.empty,
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      global_theories: Map[String, String] = Map.empty,
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      all_known: Boolean = false): Deps =
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  {
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    val session_bases =
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      (Map.empty[String, Base] /: sessions.imports_topological_order)({
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        case (session_bases, (session_name, info)) =>
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          if (progress.stopped) throw Exn.Interrupt()
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          try {
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            val parent_base: Sessions.Base =
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              info.parent match {
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                case None => Base.bootstrap(global_theories)
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                case Some(parent) => session_bases(parent)
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              }
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            val imports_base: Sessions.Base =
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              parent_base.copy(known =
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                Known.make(info.dir, parent_base :: info.imports.map(session_bases(_)), Nil))
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            val resources = new Resources(imports_base,
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              default_qualifier = info.theory_qualifier(session_name))
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            if (verbose || list_files) {
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              val groups =
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                if (info.groups.isEmpty) ""
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                else info.groups.mkString(" (", " ", ")")
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              progress.echo("Session " + info.chapter + "/" + session_name + groups)
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            }
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            val thy_deps =
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            {
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              val root_theories =
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                info.theories.flatMap({ case (_, thys) =>
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                  thys.map({ case (thy, pos) =>
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                    (resources.import_name(session_name, info.dir.implode, thy), pos) })
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                })
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              val thy_deps = resources.thy_info.dependencies(root_theories)
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              thy_deps.errors match {
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                case Nil => thy_deps
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                case errs => error(cat_lines(errs))
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              }
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            }
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            val syntax = thy_deps.syntax
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            val theory_files = thy_deps.deps.map(dep => Path.explode(dep.name.node))
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            val loaded_files =
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              if (inlined_files) {
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                val pure_files =
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                  if (is_pure(session_name)) {
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                    val roots = Thy_Header.ml_roots.map(p => info.dir + Path.explode(p._1))
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                    val files =
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                      roots.flatMap(root => resources.loaded_files(syntax, File.read(root))).
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                        map(file => info.dir + Path.explode(file))
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                    roots ::: files
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                  }
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                  else Nil
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                pure_files ::: thy_deps.loaded_files
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              }
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              else Nil
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            val all_files =
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              (theory_files ::: loaded_files :::
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                info.files.map(file => info.dir + file) :::
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                info.document_files.map(file => info.dir + file._1 + file._2)).map(_.expand)
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            if (list_files)
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              progress.echo(cat_lines(all_files.map(_.implode).sorted.map("  " + _)))
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            if (check_keywords.nonEmpty)
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              Check_Keywords.check_keywords(progress, syntax.keywords, check_keywords, theory_files)
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            val session_graph: Graph_Display.Graph =
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            {
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              def session_node(name: String): Graph_Display.Node =
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                Graph_Display.Node("[" + name + "]", "session." + name)
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              def node(name: Document.Node.Name): Graph_Display.Node =
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              {
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                val session = resources.theory_qualifier(name)
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                if (session == session_name)
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                  Graph_Display.Node(name.theory_base_name, "theory." + name.theory)
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                else session_node(session)
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              }
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              val imports_subgraph =
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                sessions.imports_graph.restrict(
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                  sessions.imports_graph.all_preds(info.parent.toList ::: info.imports).toSet)
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              val graph0 =
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                (Graph_Display.empty_graph /: imports_subgraph.topological_order)(
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                  { case (g, session) =>
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                      val a = session_node(session)
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                      val bs = imports_subgraph.imm_preds(session).toList.map(session_node(_))
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                      ((g /: (a :: bs))(_.default_node(_, Nil)) /: bs)(_.add_edge(_, a)) })
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              (graph0 /: thy_deps.deps)(
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                { case (g, dep) =>
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                    val a = node(dep.name)
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                    val bs =
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                      dep.header.imports.map({ case (name, _) => node(name) }).
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                        filterNot(_ == a)
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                    ((g /: (a :: bs))(_.default_node(_, Nil)) /: bs)(_.add_edge(_, a)) })
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            }
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            val base =
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              Base(global_theories = global_theories,
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                loaded_theories = thy_deps.loaded_theories,
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                known = Known.make(info.dir, List(imports_base), thy_deps.deps.map(_.name)),
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                keywords = thy_deps.keywords,
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                syntax = syntax,
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                sources = all_files.map(p => (p, SHA1.digest(p.file))),
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                session_graph = session_graph)
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            session_bases + (session_name -> base)
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          }
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          catch {
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            case ERROR(msg) =>
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              cat_error(msg, "The error(s) above occurred in session " +
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                quote(session_name) + Position.here(info.pos))
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          }
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      })
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    Deps(session_bases,
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      if (all_known) Known.make(Path.current, session_bases.toList.map(_._2), Nil)
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      else Known.empty)
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  }
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  def session_base(
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    options: Options,
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    session: String,
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    dirs: List[Path] = Nil,
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    all_known: Boolean = false): Base =
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  {
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    val full_sessions = load(options, dirs = dirs)
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    val global_theories = full_sessions.global_theories
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    val selected_sessions = full_sessions.selection(Selection(sessions = List(session)))._2
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    if (all_known) {
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      val deps = Sessions.deps(
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        full_sessions, global_theories = global_theories, all_known = all_known)
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      deps(session).copy(known = deps.all_known)
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    }
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    else
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      deps(selected_sessions, global_theories = global_theories)(session)
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  }
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  /* cumulative session info */
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  sealed case class Info(
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    chapter: String,
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    select: Boolean,
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    pos: Position.T,
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    groups: List[String],
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    dir: Path,
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    parent: Option[String],
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    description: String,
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    options: Options,
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    imports: List[String],
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    theories: List[(Options, List[(String, Position.T)])],
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    global_theories: List[String],
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    files: List[Path],
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    document_files: List[(Path, Path)],
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    meta_digest: SHA1.Digest)
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  {
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    def timeout: Time = Time.seconds(options.real("timeout") * options.real("timeout_scale"))
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    def theory_qualifier(default_qualifier: String): String =
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      options.string("theory_qualifier") match {
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        case "" => default_qualifier
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        case qualifier => qualifier
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      }
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  }
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  object Selection
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  {
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    val empty: Selection = Selection()
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  }
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  sealed case class Selection(
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    requirements: Boolean = false,
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    all_sessions: Boolean = false,
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    exclude_session_groups: List[String] = Nil,
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    exclude_sessions: List[String] = Nil,
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    session_groups: List[String] = Nil,
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    sessions: List[String] = Nil)
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  {
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    def + (other: Selection): Selection =
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      Selection(
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        requirements = requirements || other.requirements,
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        all_sessions = all_sessions || other.all_sessions,
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        exclude_session_groups = exclude_session_groups ::: other.exclude_session_groups,
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        exclude_sessions = exclude_sessions ::: other.exclude_sessions,
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        session_groups = session_groups ::: other.session_groups,
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        sessions = sessions ::: other.sessions)
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    def apply(graph: Graph[String, Info]): (List[String], Graph[String, Info]) =
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    {
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      val bad_sessions =
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        SortedSet((exclude_sessions ::: sessions).filterNot(graph.defined(_)): _*).toList
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      if (bad_sessions.nonEmpty) error("Undefined session(s): " + commas_quote(bad_sessions))
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      val excluded =
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      {
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        val exclude_group = exclude_session_groups.toSet
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        val exclude_group_sessions =
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          (for {
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            (name, (info, _)) <- graph.iterator
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   344
            if graph.get_node(name).groups.exists(exclude_group)
wenzelm@65419
   345
          } yield name).toList
wenzelm@65419
   346
        graph.all_succs(exclude_group_sessions ::: exclude_sessions).toSet
wenzelm@65419
   347
      }
wenzelm@65419
   348
wenzelm@65419
   349
      val pre_selected =
wenzelm@65419
   350
      {
wenzelm@65419
   351
        if (all_sessions) graph.keys
wenzelm@65419
   352
        else {
wenzelm@65419
   353
          val select_group = session_groups.toSet
wenzelm@65419
   354
          val select = sessions.toSet
wenzelm@65419
   355
          (for {
wenzelm@65419
   356
            (name, (info, _)) <- graph.iterator
wenzelm@65419
   357
            if info.select || select(name) || graph.get_node(name).groups.exists(select_group)
wenzelm@65419
   358
          } yield name).toList
wenzelm@65419
   359
        }
wenzelm@65419
   360
      }.filterNot(excluded)
wenzelm@65419
   361
wenzelm@65419
   362
      val selected =
wenzelm@65419
   363
        if (requirements) (graph.all_preds(pre_selected).toSet -- pre_selected).toList
wenzelm@65419
   364
        else pre_selected
wenzelm@65419
   365
wenzelm@65419
   366
      (selected, graph.restrict(graph.all_preds(selected).toSet))
wenzelm@65419
   367
    }
wenzelm@65419
   368
  }
wenzelm@65419
   369
wenzelm@65415
   370
  def make(infos: Traversable[(String, Info)]): T =
wenzelm@62631
   371
  {
wenzelm@65420
   372
    def add_edges(graph: Graph[String, Info], kind: String, edges: Info => Traversable[String])
wenzelm@65420
   373
      : Graph[String, Info] =
wenzelm@65420
   374
    {
wenzelm@65420
   375
      def add_edge(pos: Position.T, name: String, g: Graph[String, Info], parent: String) =
wenzelm@65420
   376
      {
wenzelm@65420
   377
        if (!g.defined(parent))
wenzelm@65420
   378
          error("Bad " + kind + " session " + quote(parent) + " for " +
wenzelm@65420
   379
            quote(name) + Position.here(pos))
wenzelm@65420
   380
wenzelm@65420
   381
        try { g.add_edge_acyclic(parent, name) }
wenzelm@65420
   382
        catch {
wenzelm@65420
   383
          case exn: Graph.Cycles[_] =>
wenzelm@65420
   384
            error(cat_lines(exn.cycles.map(cycle =>
wenzelm@65420
   385
              "Cyclic session dependency of " +
wenzelm@65420
   386
                cycle.map(c => quote(c.toString)).mkString(" via "))) + Position.here(pos))
wenzelm@65420
   387
        }
wenzelm@65420
   388
      }
wenzelm@65420
   389
      (graph /: graph.iterator) {
wenzelm@65420
   390
        case (g, (name, (info, _))) => (g /: edges(info))(add_edge(info.pos, name, _, _))
wenzelm@65420
   391
      }
wenzelm@65420
   392
    }
wenzelm@65420
   393
wenzelm@65420
   394
    val graph0 =
wenzelm@65415
   395
      (Graph.string[Info] /: infos) {
wenzelm@65415
   396
        case (graph, (name, info)) =>
wenzelm@65415
   397
          if (graph.defined(name))
wenzelm@65415
   398
            error("Duplicate session " + quote(name) + Position.here(info.pos) +
wenzelm@65415
   399
              Position.here(graph.get_node(name).pos))
wenzelm@65415
   400
          else graph.new_node(name, info)
wenzelm@65415
   401
      }
wenzelm@65420
   402
    val graph1 = add_edges(graph0, "parent", _.parent)
wenzelm@65420
   403
    val graph2 = add_edges(graph1, "imports", _.imports)
wenzelm@62631
   404
wenzelm@65420
   405
    new T(graph1, graph2)
wenzelm@62631
   406
  }
wenzelm@62631
   407
wenzelm@65420
   408
  final class T private[Sessions](
wenzelm@65420
   409
      val build_graph: Graph[String, Info],
wenzelm@65420
   410
      val imports_graph: Graph[String, Info])
wenzelm@62631
   411
  {
wenzelm@65420
   412
    def apply(name: String): Info = imports_graph.get_node(name)
wenzelm@65420
   413
    def get(name: String): Option[Info] =
wenzelm@65420
   414
      if (imports_graph.defined(name)) Some(imports_graph.get_node(name)) else None
wenzelm@62631
   415
wenzelm@65457
   416
    def global_theories: Map[String, String] =
wenzelm@65490
   417
      (Thy_Header.bootstrap_global_theories.toMap /:
wenzelm@65424
   418
        (for {
wenzelm@65457
   419
          (session_name, (info, _)) <- imports_graph.iterator
wenzelm@65457
   420
          thy <- info.global_theories.iterator } yield (thy, session_name, info)))({
wenzelm@65457
   421
            case (global, (thy, session_name, info)) =>
wenzelm@65457
   422
              val qualifier = info.theory_qualifier(session_name)
wenzelm@65457
   423
              global.get(thy) match {
wenzelm@65457
   424
                case Some(qualifier1) if qualifier != qualifier1 =>
wenzelm@65457
   425
                  error("Duplicate global theory " + quote(thy) + Position.here(info.pos))
wenzelm@65457
   426
                case _ => global + (thy -> qualifier)
wenzelm@65457
   427
              }
wenzelm@65457
   428
          })
wenzelm@65372
   429
wenzelm@65419
   430
    def selection(select: Selection): (List[String], T) =
wenzelm@62631
   431
    {
wenzelm@65420
   432
      val (_, build_graph1) = select(build_graph)
wenzelm@65420
   433
      val (selected, imports_graph1) = select(imports_graph)
wenzelm@65420
   434
      (selected, new T(build_graph1, imports_graph1))
wenzelm@62631
   435
    }
wenzelm@62631
   436
wenzelm@65420
   437
    def build_ancestors(name: String): List[String] =
wenzelm@65420
   438
      build_graph.all_preds(List(name)).tail.reverse
wenzelm@65420
   439
wenzelm@65420
   440
    def build_descendants(names: List[String]): List[String] =
wenzelm@65420
   441
      build_graph.all_succs(names)
wenzelm@62631
   442
wenzelm@65420
   443
    def build_topological_order: List[(String, Info)] =
wenzelm@65420
   444
      build_graph.topological_order.map(name => (name, apply(name)))
wenzelm@62631
   445
wenzelm@65420
   446
    def imports_topological_order: List[(String, Info)] =
wenzelm@65420
   447
      imports_graph.topological_order.map(name => (name, apply(name)))
wenzelm@65420
   448
wenzelm@65420
   449
    override def toString: String =
wenzelm@65420
   450
      imports_graph.keys_iterator.mkString("Sessions.T(", ", ", ")")
wenzelm@62631
   451
  }
wenzelm@62631
   452
wenzelm@62631
   453
wenzelm@62631
   454
  /* parser */
wenzelm@62631
   455
wenzelm@62864
   456
  val ROOT = Path.explode("ROOT")
wenzelm@62864
   457
  val ROOTS = Path.explode("ROOTS")
wenzelm@62864
   458
wenzelm@62631
   459
  private val CHAPTER = "chapter"
wenzelm@62631
   460
  private val SESSION = "session"
wenzelm@62631
   461
  private val IN = "in"
wenzelm@62631
   462
  private val DESCRIPTION = "description"
wenzelm@62631
   463
  private val OPTIONS = "options"
wenzelm@65420
   464
  private val SESSIONS = "sessions"
wenzelm@62631
   465
  private val THEORIES = "theories"
wenzelm@65374
   466
  private val GLOBAL = "global"
wenzelm@62631
   467
  private val FILES = "files"
wenzelm@62631
   468
  private val DOCUMENT_FILES = "document_files"
wenzelm@62631
   469
wenzelm@62631
   470
  lazy val root_syntax =
wenzelm@65374
   471
    Outer_Syntax.init() + "(" + ")" + "+" + "," + "=" + "[" + "]" + GLOBAL + IN +
wenzelm@63443
   472
      (CHAPTER, Keyword.THY_DECL) +
wenzelm@63443
   473
      (SESSION, Keyword.THY_DECL) +
wenzelm@63443
   474
      (DESCRIPTION, Keyword.QUASI_COMMAND) +
wenzelm@63443
   475
      (OPTIONS, Keyword.QUASI_COMMAND) +
wenzelm@65420
   476
      (SESSIONS, Keyword.QUASI_COMMAND) +
wenzelm@63443
   477
      (THEORIES, Keyword.QUASI_COMMAND) +
wenzelm@63443
   478
      (FILES, Keyword.QUASI_COMMAND) +
wenzelm@63443
   479
      (DOCUMENT_FILES, Keyword.QUASI_COMMAND)
wenzelm@62631
   480
wenzelm@62968
   481
  private object Parser extends Parse.Parser with Options.Parser
wenzelm@62631
   482
  {
wenzelm@62631
   483
    private abstract class Entry
wenzelm@62631
   484
    private sealed case class Chapter(name: String) extends Entry
wenzelm@62631
   485
    private sealed case class Session_Entry(
wenzelm@62631
   486
      pos: Position.T,
wenzelm@62631
   487
      name: String,
wenzelm@62631
   488
      groups: List[String],
wenzelm@62631
   489
      path: String,
wenzelm@62631
   490
      parent: Option[String],
wenzelm@62631
   491
      description: String,
wenzelm@62631
   492
      options: List[Options.Spec],
wenzelm@65420
   493
      imports: List[String],
wenzelm@65517
   494
      theories: List[(List[Options.Spec], List[((String, Position.T), Boolean)])],
wenzelm@62631
   495
      files: List[String],
wenzelm@62631
   496
      document_files: List[(String, String)]) extends Entry
wenzelm@62631
   497
wenzelm@62631
   498
    private val chapter: Parser[Chapter] =
wenzelm@62631
   499
    {
wenzelm@62631
   500
      val chapter_name = atom("chapter name", _.is_name)
wenzelm@62631
   501
wenzelm@62631
   502
      command(CHAPTER) ~! chapter_name ^^ { case _ ~ a => Chapter(a) }
wenzelm@62631
   503
    }
wenzelm@62631
   504
wenzelm@62631
   505
    private val session_entry: Parser[Session_Entry] =
wenzelm@62631
   506
    {
wenzelm@62631
   507
      val session_name = atom("session name", _.is_name)
wenzelm@62631
   508
wenzelm@62631
   509
      val option =
wenzelm@62968
   510
        option_name ~ opt($$$("=") ~! option_value ^^
wenzelm@62968
   511
          { case _ ~ x => x }) ^^ { case x ~ y => (x, y) }
wenzelm@62631
   512
      val options = $$$("[") ~> rep1sep(option, $$$(",")) <~ $$$("]")
wenzelm@62631
   513
wenzelm@65374
   514
      val global =
wenzelm@65374
   515
        ($$$("(") ~! $$$(GLOBAL) ~ $$$(")")) ^^ { case _ => true } | success(false)
wenzelm@65374
   516
wenzelm@65374
   517
      val theory_entry =
wenzelm@65517
   518
        position(theory_name) ~ global ^^ { case x ~ y => (x, y) }
wenzelm@65374
   519
wenzelm@62631
   520
      val theories =
wenzelm@65374
   521
        $$$(THEORIES) ~!
wenzelm@65374
   522
          ((options | success(Nil)) ~ rep(theory_entry)) ^^
wenzelm@65374
   523
          { case _ ~ (x ~ y) => (x, y) }
wenzelm@62631
   524
wenzelm@62631
   525
      val document_files =
wenzelm@62631
   526
        $$$(DOCUMENT_FILES) ~!
wenzelm@62631
   527
          (($$$("(") ~! ($$$(IN) ~! (path ~ $$$(")"))) ^^
wenzelm@62631
   528
              { case _ ~ (_ ~ (x ~ _)) => x } | success("document")) ~
wenzelm@62631
   529
            rep1(path)) ^^ { case _ ~ (x ~ y) => y.map((x, _)) }
wenzelm@62631
   530
wenzelm@62631
   531
      command(SESSION) ~!
wenzelm@62631
   532
        (position(session_name) ~
wenzelm@62631
   533
          (($$$("(") ~! (rep1(name) <~ $$$(")")) ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@62631
   534
          (($$$(IN) ~! path ^^ { case _ ~ x => x }) | success(".")) ~
wenzelm@62631
   535
          ($$$("=") ~!
wenzelm@62631
   536
            (opt(session_name ~! $$$("+") ^^ { case x ~ _ => x }) ~
wenzelm@62631
   537
              (($$$(DESCRIPTION) ~! text ^^ { case _ ~ x => x }) | success("")) ~
wenzelm@62631
   538
              (($$$(OPTIONS) ~! options ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@65420
   539
              (($$$(SESSIONS) ~! rep(session_name)  ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@62631
   540
              rep1(theories) ~
wenzelm@62631
   541
              (($$$(FILES) ~! rep1(path) ^^ { case _ ~ x => x }) | success(Nil)) ~
wenzelm@62631
   542
              (rep(document_files) ^^ (x => x.flatten))))) ^^
wenzelm@65420
   543
        { case _ ~ ((a, pos) ~ b ~ c ~ (_ ~ (d ~ e ~ f ~ g ~ h ~ i ~ j))) =>
wenzelm@65420
   544
            Session_Entry(pos, a, b, c, d, e, f, g, h, i, j) }
wenzelm@62631
   545
    }
wenzelm@62631
   546
wenzelm@62631
   547
    def parse(options: Options, select: Boolean, dir: Path): List[(String, Info)] =
wenzelm@62631
   548
    {
wenzelm@62631
   549
      def make_info(entry_chapter: String, entry: Session_Entry): (String, Info) =
wenzelm@62631
   550
      {
wenzelm@62631
   551
        try {
wenzelm@62631
   552
          val name = entry.name
wenzelm@62631
   553
wenzelm@65445
   554
          if (name == "" || name == DRAFT) error("Bad session name")
wenzelm@65360
   555
          if (is_pure(name) && entry.parent.isDefined) error("Illegal parent session")
wenzelm@65360
   556
          if (!is_pure(name) && !entry.parent.isDefined) error("Missing parent session")
wenzelm@62631
   557
wenzelm@62631
   558
          val session_options = options ++ entry.options
wenzelm@62631
   559
wenzelm@62631
   560
          val theories =
wenzelm@65392
   561
            entry.theories.map({ case (opts, thys) => (session_options ++ opts, thys.map(_._1)) })
wenzelm@65374
   562
wenzelm@65374
   563
          val global_theories =
wenzelm@65517
   564
            for { (_, thys) <- entry.theories; ((thy, pos), global) <- thys if global }
wenzelm@65374
   565
            yield {
wenzelm@65374
   566
              val thy_name = Path.explode(thy).expand.base.implode
wenzelm@65374
   567
              if (Long_Name.is_qualified(thy_name))
wenzelm@65517
   568
                error("Bad qualified name for global theory " +
wenzelm@65517
   569
                  quote(thy_name) + Position.here(pos))
wenzelm@65374
   570
              else thy_name
wenzelm@65374
   571
            }
wenzelm@65374
   572
wenzelm@62631
   573
          val files = entry.files.map(Path.explode(_))
wenzelm@62631
   574
          val document_files =
wenzelm@62631
   575
            entry.document_files.map({ case (s1, s2) => (Path.explode(s1), Path.explode(s2)) })
wenzelm@62631
   576
wenzelm@62631
   577
          val meta_digest =
wenzelm@62631
   578
            SHA1.digest((entry_chapter, name, entry.parent, entry.options,
wenzelm@65420
   579
              entry.imports, entry.theories, entry.files, entry.document_files).toString)
wenzelm@62631
   580
wenzelm@62631
   581
          val info =
wenzelm@62631
   582
            Info(entry_chapter, select, entry.pos, entry.groups, dir + Path.explode(entry.path),
wenzelm@65420
   583
              entry.parent, entry.description, session_options, entry.imports, theories,
wenzelm@65420
   584
              global_theories, files, document_files, meta_digest)
wenzelm@62631
   585
wenzelm@62631
   586
          (name, info)
wenzelm@62631
   587
        }
wenzelm@62631
   588
        catch {
wenzelm@62631
   589
          case ERROR(msg) =>
wenzelm@62631
   590
            error(msg + "\nThe error(s) above occurred in session entry " +
wenzelm@62631
   591
              quote(entry.name) + Position.here(entry.pos))
wenzelm@62631
   592
        }
wenzelm@62631
   593
      }
wenzelm@62631
   594
wenzelm@62631
   595
      val root = dir + ROOT
wenzelm@62631
   596
      if (root.is_file) {
wenzelm@62631
   597
        val toks = Token.explode(root_syntax.keywords, File.read(root))
wenzelm@62631
   598
        val start = Token.Pos.file(root.implode)
wenzelm@62631
   599
wenzelm@62631
   600
        parse_all(rep(chapter | session_entry), Token.reader(toks, start)) match {
wenzelm@62631
   601
          case Success(result, _) =>
wenzelm@62631
   602
            var entry_chapter = "Unsorted"
wenzelm@62631
   603
            val infos = new mutable.ListBuffer[(String, Info)]
wenzelm@62631
   604
            result.foreach {
wenzelm@62631
   605
              case Chapter(name) => entry_chapter = name
wenzelm@62631
   606
              case entry: Session_Entry => infos += make_info(entry_chapter, entry)
wenzelm@62631
   607
            }
wenzelm@62631
   608
            infos.toList
wenzelm@62631
   609
          case bad => error(bad.toString)
wenzelm@62631
   610
        }
wenzelm@62631
   611
      }
wenzelm@62631
   612
      else Nil
wenzelm@62631
   613
    }
wenzelm@62631
   614
  }
wenzelm@62631
   615
wenzelm@62631
   616
wenzelm@62635
   617
  /* load sessions from certain directories */
wenzelm@62631
   618
wenzelm@62631
   619
  private def is_session_dir(dir: Path): Boolean =
wenzelm@62631
   620
    (dir + ROOT).is_file || (dir + ROOTS).is_file
wenzelm@62631
   621
wenzelm@62631
   622
  private def check_session_dir(dir: Path): Path =
wenzelm@65468
   623
    if (is_session_dir(dir)) File.pwd() + dir.expand
wenzelm@62631
   624
    else error("Bad session root directory: " + dir.toString)
wenzelm@62631
   625
wenzelm@65415
   626
  def load(options: Options, dirs: List[Path] = Nil, select_dirs: List[Path] = Nil): T =
wenzelm@62631
   627
  {
wenzelm@62635
   628
    def load_dir(select: Boolean, dir: Path): List[(String, Info)] =
wenzelm@62635
   629
      load_root(select, dir) ::: load_roots(select, dir)
wenzelm@62631
   630
wenzelm@62635
   631
    def load_root(select: Boolean, dir: Path): List[(String, Info)] =
wenzelm@62631
   632
      Parser.parse(options, select, dir)
wenzelm@62631
   633
wenzelm@62635
   634
    def load_roots(select: Boolean, dir: Path): List[(String, Info)] =
wenzelm@62631
   635
    {
wenzelm@62631
   636
      val roots = dir + ROOTS
wenzelm@62631
   637
      if (roots.is_file) {
wenzelm@62631
   638
        for {
wenzelm@62631
   639
          line <- split_lines(File.read(roots))
wenzelm@62631
   640
          if !(line == "" || line.startsWith("#"))
wenzelm@62631
   641
          dir1 =
wenzelm@62631
   642
            try { check_session_dir(dir + Path.explode(line)) }
wenzelm@62631
   643
            catch {
wenzelm@62631
   644
              case ERROR(msg) =>
wenzelm@62631
   645
                error(msg + "\nThe error(s) above occurred in session catalog " + roots.toString)
wenzelm@62631
   646
            }
wenzelm@62635
   647
          info <- load_dir(select, dir1)
wenzelm@62631
   648
        } yield info
wenzelm@62631
   649
      }
wenzelm@62631
   650
      else Nil
wenzelm@62631
   651
    }
wenzelm@62631
   652
wenzelm@62631
   653
    val default_dirs = Isabelle_System.components().filter(is_session_dir(_))
wenzelm@62631
   654
wenzelm@65415
   655
    make(
wenzelm@62631
   656
      for {
wenzelm@62631
   657
        (select, dir) <- (default_dirs ::: dirs).map((false, _)) ::: select_dirs.map((true, _))
wenzelm@65468
   658
        info <- load_dir(select, check_session_dir(dir))
wenzelm@62631
   659
      } yield info)
wenzelm@62631
   660
  }
wenzelm@62632
   661
wenzelm@62632
   662
wenzelm@62637
   663
wenzelm@62704
   664
  /** heap file with SHA1 digest **/
wenzelm@62704
   665
wenzelm@62704
   666
  private val sha1_prefix = "SHA1:"
wenzelm@62704
   667
wenzelm@62704
   668
  def read_heap_digest(heap: Path): Option[String] =
wenzelm@62704
   669
  {
wenzelm@62704
   670
    if (heap.is_file) {
wenzelm@62704
   671
      val file = FileChannel.open(heap.file.toPath, StandardOpenOption.READ)
wenzelm@62704
   672
      try {
wenzelm@62704
   673
        val len = file.size
wenzelm@62704
   674
        val n = sha1_prefix.length + SHA1.digest_length
wenzelm@62704
   675
        if (len >= n) {
wenzelm@62704
   676
          file.position(len - n)
wenzelm@62704
   677
wenzelm@62704
   678
          val buf = ByteBuffer.allocate(n)
wenzelm@62704
   679
          var i = 0
wenzelm@62704
   680
          var m = 0
wenzelm@62704
   681
          do {
wenzelm@62704
   682
            m = file.read(buf)
wenzelm@62704
   683
            if (m != -1) i += m
wenzelm@62704
   684
          }
wenzelm@62704
   685
          while (m != -1 && n > i)
wenzelm@62704
   686
wenzelm@62704
   687
          if (i == n) {
wenzelm@62704
   688
            val prefix = new String(buf.array(), 0, sha1_prefix.length, UTF8.charset)
wenzelm@62704
   689
            val s = new String(buf.array(), sha1_prefix.length, SHA1.digest_length, UTF8.charset)
wenzelm@62704
   690
            if (prefix == sha1_prefix) Some(s) else None
wenzelm@62704
   691
          }
wenzelm@62704
   692
          else None
wenzelm@62704
   693
        }
wenzelm@62704
   694
        else None
wenzelm@62704
   695
      }
wenzelm@62704
   696
      finally { file.close }
wenzelm@62704
   697
    }
wenzelm@62704
   698
    else None
wenzelm@62704
   699
  }
wenzelm@62704
   700
wenzelm@62704
   701
  def write_heap_digest(heap: Path): String =
wenzelm@62704
   702
    read_heap_digest(heap) match {
wenzelm@62704
   703
      case None =>
wenzelm@62704
   704
        val s = SHA1.digest(heap).rep
wenzelm@62704
   705
        File.append(heap, sha1_prefix + s)
wenzelm@62704
   706
        s
wenzelm@62704
   707
      case Some(s) => s
wenzelm@62704
   708
    }
wenzelm@62704
   709
wenzelm@62704
   710
wenzelm@62704
   711
wenzelm@62637
   712
  /** persistent store **/
wenzelm@62632
   713
wenzelm@65296
   714
  object Session_Info
wenzelm@65296
   715
  {
wenzelm@65326
   716
    val session_name = SQL.Column.string("session_name", primary_key = true)
wenzelm@65326
   717
wenzelm@65296
   718
    // Build_Log.Session_Info
wenzelm@65296
   719
    val session_timing = SQL.Column.bytes("session_timing")
wenzelm@65296
   720
    val command_timings = SQL.Column.bytes("command_timings")
wenzelm@65296
   721
    val ml_statistics = SQL.Column.bytes("ml_statistics")
wenzelm@65296
   722
    val task_statistics = SQL.Column.bytes("task_statistics")
wenzelm@65296
   723
    val build_log_columns =
wenzelm@65296
   724
      List(session_name, session_timing, command_timings, ml_statistics, task_statistics)
wenzelm@65296
   725
wenzelm@65296
   726
    // Build.Session_Info
wenzelm@65296
   727
    val sources = SQL.Column.string("sources")
wenzelm@65296
   728
    val input_heaps = SQL.Column.string("input_heaps")
wenzelm@65296
   729
    val output_heap = SQL.Column.string("output_heap")
wenzelm@65296
   730
    val return_code = SQL.Column.int("return_code")
wenzelm@65296
   731
    val build_columns = List(sources, input_heaps, output_heap, return_code)
wenzelm@65296
   732
wenzelm@65296
   733
    val table = SQL.Table("isabelle_session_info", build_log_columns ::: build_columns)
wenzelm@65320
   734
wenzelm@65320
   735
    def where_session_name(name: String): String =
wenzelm@65322
   736
      "WHERE " + session_name.sql_name + " = " + SQL.quote_string(name)
wenzelm@65320
   737
wenzelm@65320
   738
    def select_statement(db: SQL.Database, name: String, columns: List[SQL.Column])
wenzelm@65320
   739
        : PreparedStatement =
wenzelm@65320
   740
      db.select_statement(table, columns, where_session_name(name))
wenzelm@65320
   741
wenzelm@65320
   742
    def delete_statement(db: SQL.Database, name: String): PreparedStatement =
wenzelm@65320
   743
      db.delete_statement(table, where_session_name(name))
wenzelm@65296
   744
  }
wenzelm@65296
   745
wenzelm@62632
   746
  def store(system_mode: Boolean = false): Store = new Store(system_mode)
wenzelm@62632
   747
wenzelm@63996
   748
  class Store private[Sessions](system_mode: Boolean)
wenzelm@62632
   749
  {
wenzelm@65278
   750
    /* file names */
wenzelm@65278
   751
wenzelm@65281
   752
    def database(name: String): Path = Path.basic("log") + Path.basic(name).ext("db")
wenzelm@65278
   753
    def log(name: String): Path = Path.basic("log") + Path.basic(name)
wenzelm@65278
   754
    def log_gz(name: String): Path = log(name).ext("gz")
wenzelm@65278
   755
wenzelm@65278
   756
wenzelm@65286
   757
    /* SQL database content */
wenzelm@65283
   758
wenzelm@65283
   759
    val xml_cache: XML.Cache = new XML.Cache()
wenzelm@65283
   760
wenzelm@65283
   761
    def encode_properties(ps: Properties.T): Bytes =
wenzelm@65283
   762
      Bytes(YXML.string_of_body(XML.Encode.properties(ps)))
wenzelm@65283
   763
wenzelm@65283
   764
    def decode_properties(bs: Bytes): Properties.T =
wenzelm@65283
   765
      xml_cache.props(XML.Decode.properties(YXML.parse_body(bs.text)))
wenzelm@65283
   766
wenzelm@65283
   767
    def compress_properties(ps: List[Properties.T], options: XZ.Options = XZ.options()): Bytes =
wenzelm@65283
   768
    {
wenzelm@65283
   769
      if (ps.isEmpty) Bytes.empty
wenzelm@65283
   770
      else Bytes(YXML.string_of_body(XML.Encode.list(XML.Encode.properties)(ps))).compress(options)
wenzelm@65283
   771
    }
wenzelm@65283
   772
wenzelm@65283
   773
    def uncompress_properties(bs: Bytes): List[Properties.T] =
wenzelm@65283
   774
    {
wenzelm@65283
   775
      if (bs.isEmpty) Nil
wenzelm@65283
   776
      else
wenzelm@65283
   777
        XML.Decode.list(XML.Decode.properties)(YXML.parse_body(bs.uncompress().text)).
wenzelm@65283
   778
          map(xml_cache.props(_))
wenzelm@65283
   779
    }
wenzelm@65283
   780
wenzelm@65320
   781
    def read_bytes(db: SQL.Database, name: String, column: SQL.Column): Bytes =
wenzelm@65320
   782
      using(Session_Info.select_statement(db, name, List(column)))(stmt =>
wenzelm@65291
   783
      {
wenzelm@65291
   784
        val rs = stmt.executeQuery
wenzelm@65324
   785
        if (!rs.next) Bytes.empty else db.bytes(rs, column)
wenzelm@65291
   786
      })
wenzelm@65285
   787
wenzelm@65320
   788
    def read_properties(db: SQL.Database, name: String, column: SQL.Column): List[Properties.T] =
wenzelm@65320
   789
      uncompress_properties(read_bytes(db, name, column))
wenzelm@65286
   790
wenzelm@65283
   791
wenzelm@62637
   792
    /* output */
wenzelm@62632
   793
wenzelm@62632
   794
    val browser_info: Path =
wenzelm@62632
   795
      if (system_mode) Path.explode("~~/browser_info")
wenzelm@62632
   796
      else Path.explode("$ISABELLE_BROWSER_INFO")
wenzelm@62632
   797
wenzelm@62637
   798
    val output_dir: Path =
wenzelm@62637
   799
      if (system_mode) Path.explode("~~/heaps/$ML_IDENTIFIER")
wenzelm@62637
   800
      else Path.explode("$ISABELLE_OUTPUT")
wenzelm@62637
   801
wenzelm@65298
   802
    override def toString: String = "Store(output_dir = " + output_dir.expand + ")"
wenzelm@65298
   803
wenzelm@62637
   804
    def prepare_output() { Isabelle_System.mkdirs(output_dir + Path.basic("log")) }
wenzelm@62637
   805
wenzelm@62637
   806
wenzelm@62637
   807
    /* input */
wenzelm@62637
   808
wenzelm@62637
   809
    private val input_dirs =
wenzelm@62632
   810
      if (system_mode) List(output_dir)
wenzelm@62633
   811
      else {
wenzelm@62633
   812
        val ml_ident = Path.explode("$ML_IDENTIFIER").expand
wenzelm@62633
   813
        output_dir :: Path.split(Isabelle_System.getenv_strict("ISABELLE_PATH")).map(_ + ml_ident)
wenzelm@62633
   814
      }
wenzelm@62632
   815
wenzelm@65291
   816
    def find_database_heap(name: String): Option[(Path, Option[String])] =
wenzelm@65291
   817
      input_dirs.find(dir => (dir + database(name)).is_file).map(dir =>
wenzelm@65291
   818
        (dir + database(name), read_heap_digest(dir + Path.basic(name))))
wenzelm@62632
   819
wenzelm@65281
   820
    def find_database(name: String): Option[Path] =
wenzelm@65281
   821
      input_dirs.map(_ + database(name)).find(_.is_file)
wenzelm@65281
   822
wenzelm@62637
   823
    def heap(name: String): Path =
wenzelm@65288
   824
      input_dirs.map(_ + Path.basic(name)).find(_.is_file) getOrElse
wenzelm@62637
   825
        error("Unknown logic " + quote(name) + " -- no heap file found in:\n" +
wenzelm@62769
   826
          cat_lines(input_dirs.map(dir => "  " + dir.expand.implode)))
wenzelm@65287
   827
wenzelm@65287
   828
wenzelm@65296
   829
    /* session info */
wenzelm@65281
   830
wenzelm@65296
   831
    def write_session_info(
wenzelm@65318
   832
      db: SQL.Database,
wenzelm@65320
   833
      name: String,
wenzelm@65318
   834
      build_log: Build_Log.Session_Info,
wenzelm@65318
   835
      build: Build.Session_Info)
wenzelm@65281
   836
    {
wenzelm@65281
   837
      db.transaction {
wenzelm@65296
   838
        db.create_table(Session_Info.table)
wenzelm@65320
   839
        using(Session_Info.delete_statement(db, name))(_.execute)
wenzelm@65296
   840
        using(db.insert_statement(Session_Info.table))(stmt =>
wenzelm@65281
   841
        {
wenzelm@65320
   842
          db.set_string(stmt, 1, name)
wenzelm@65296
   843
          db.set_bytes(stmt, 2, encode_properties(build_log.session_timing))
wenzelm@65296
   844
          db.set_bytes(stmt, 3, compress_properties(build_log.command_timings))
wenzelm@65296
   845
          db.set_bytes(stmt, 4, compress_properties(build_log.ml_statistics))
wenzelm@65296
   846
          db.set_bytes(stmt, 5, compress_properties(build_log.task_statistics))
wenzelm@65284
   847
          db.set_string(stmt, 6, cat_lines(build.sources))
wenzelm@65284
   848
          db.set_string(stmt, 7, cat_lines(build.input_heaps))
wenzelm@65291
   849
          db.set_string(stmt, 8, build.output_heap getOrElse "")
wenzelm@65283
   850
          db.set_int(stmt, 9, build.return_code)
wenzelm@65281
   851
          stmt.execute()
wenzelm@65281
   852
        })
wenzelm@65281
   853
      }
wenzelm@65281
   854
    }
wenzelm@65281
   855
wenzelm@65320
   856
    def read_session_timing(db: SQL.Database, name: String): Properties.T =
wenzelm@65320
   857
      decode_properties(read_bytes(db, name, Session_Info.session_timing))
wenzelm@65286
   858
wenzelm@65320
   859
    def read_command_timings(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   860
      read_properties(db, name, Session_Info.command_timings)
wenzelm@65286
   861
wenzelm@65320
   862
    def read_ml_statistics(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   863
      read_properties(db, name, Session_Info.ml_statistics)
wenzelm@65286
   864
wenzelm@65320
   865
    def read_task_statistics(db: SQL.Database, name: String): List[Properties.T] =
wenzelm@65320
   866
      read_properties(db, name, Session_Info.task_statistics)
wenzelm@65286
   867
wenzelm@65320
   868
    def read_build_log(db: SQL.Database, name: String,
wenzelm@65291
   869
      command_timings: Boolean = false,
wenzelm@65291
   870
      ml_statistics: Boolean = false,
wenzelm@65291
   871
      task_statistics: Boolean = false): Build_Log.Session_Info =
wenzelm@65291
   872
    {
wenzelm@65291
   873
      Build_Log.Session_Info(
wenzelm@65320
   874
        session_timing = read_session_timing(db, name),
wenzelm@65320
   875
        command_timings = if (command_timings) read_command_timings(db, name) else Nil,
wenzelm@65320
   876
        ml_statistics = if (ml_statistics) read_ml_statistics(db, name) else Nil,
wenzelm@65320
   877
        task_statistics = if (task_statistics) read_task_statistics(db, name) else Nil)
wenzelm@65291
   878
    }
wenzelm@65285
   879
wenzelm@65320
   880
    def read_build(db: SQL.Database, name: String): Option[Build.Session_Info] =
wenzelm@65320
   881
      using(Session_Info.select_statement(db, name, Session_Info.build_columns))(stmt =>
wenzelm@65285
   882
      {
wenzelm@65285
   883
        val rs = stmt.executeQuery
wenzelm@65285
   884
        if (!rs.next) None
wenzelm@65285
   885
        else {
wenzelm@65285
   886
          Some(
wenzelm@65281
   887
            Build.Session_Info(
wenzelm@65324
   888
              split_lines(db.string(rs, Session_Info.sources)),
wenzelm@65324
   889
              split_lines(db.string(rs, Session_Info.input_heaps)),
wenzelm@65324
   890
              db.string(rs, Session_Info.output_heap) match { case "" => None case s => Some(s) },
wenzelm@65324
   891
              db.int(rs, Session_Info.return_code)))
wenzelm@65281
   892
        }
wenzelm@65281
   893
      })
wenzelm@65281
   894
  }
wenzelm@62631
   895
}